If the frequency

A detective seizes a precious opportunity to change the past when she finds she can communicate with her deceased, estranged father via a time warp .

The plot follows John Sullivan, a homicide detective in New York City who accidentally discovers a cross-time radio frequency on his late father’s ham radio, which allows the two to speak to each other across time. The film received positive reviews and grossed 68.1 million worldwide, against a budget of $31 million.

To calculate frequency, divide the number of times the event occurs by the length of time . Example: Anna divides the number of website clicks (236) by the length of time (one hour, or 60 minutes). She finds that she receives 3.9 clicks per minute.

In physics, the term frequency refers to the number of waves that pass a fixed point in unit time . It also describes the number of cycles or vibrations undergone during one unit of time by a body in periodic motion.